IR3897MTRPBF International Rectifier, IR3897MTRPBF Datasheet - Page 11
IR3897MTRPBF
Manufacturer Part Number
IR3897MTRPBF
Description
4A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3897MTR1PBF.pdf
(42 pages)
Specifications of IR3897MTRPBF
Part Status
Active and Preferred
Package
PQFN / 4 x 5
Circuit
Single Output
Iout (a)
4
Switch Freq (khz)
0 - 1500
Input Range (v)
1.0 - 16
Output Range (v)
0.5 - 12
Pbf
PbF Option Available
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IR3897MTRPBF
Manufacturer:
INFINEON
Quantity:
2 140
TYPICAL EFFICIENCY AND POWER LOSS CURVES
PVin = 12V, Vcc = External 5V, Io = 0A‐4A, Fs = 600KHz, Room Temperature, No Air Flow
The table below shows the inductors used for each of the output voltages in the efficiency measurement.
VOUT (V)
11
1.0
1.2
1.8
3.3
5
FEBRUARY 02, 2012 |DATA SHEET | Rev 3.2
98
96
94
92
90
88
86
84
82
80
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.4
0.4
0.8
0.8
LOUT (µH)
Single‐Input Voltage, Synchronous Buck Regulator
1.5
1.5
2.2
3.3
3.3
1.2
1.2
1.0V
1.0V
1.6
1.6
7443340220 (Wurth Elektronik)
7443340330 (Wurth Elektronik)
7443340330 (Wurth Elektronik)
- 11 -
PCMB065T-1R5MS (Cyntec)
PCMB065T-1R5MS (Cyntec)
1.2V
1.2V
Load Current (A)
Load Current (A)
4A Highly Integrated SupIRBuck
2
2
1.8V
1.8V
2.4
2.4
P/N
3.3V
3.3V
2.8
2.8
5.0V
5.0V
3.2
3.2
3.6
3.6
TM
4
4
DCR (mΩ)
6.7
6.7
4.4
6.5
6.5
IR3897
PD‐97663